21127904

素因数分解:

$2^5\times 7^1\times {\mathrm{94321}}^1$

素因数の和:94338

約数の個数: 24

約数和(自身を含む): 47538288

約数和(自身を除く): 26410384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94321, 188642, 377284, 660247, 754568, 1320494, 1509136, 2640988, 3018272, 5281976, 10563952, 21127904]

約数ペア:

[(1, 21127904), (2, 10563952), (4, 5281976), (7, 3018272), (8, 2640988), (14, 1509136), (16, 1320494), (28, 754568), (32, 660247), (56, 377284), (112, 188642), (224, 94321)]